A facile colorimetric and fluorescent cyanide chemosensor: utilization of the nucleophilic addition induced by resonance-assisted hydrogen bond

被引：46

作者：

Li, Qiao ^{[1
,2
]}

Zhang, Jian-hui ^{[1
,2
,3
]}

Cai, Yi ^{[1
,2
]}

Qu, Wen-juan ^{[1
,2
]}

Gao, Guo-ying ^{[1
,2
]}

Lin, Qi ^{[1
,2
]}

Yao, Hong ^{[1
,2
]}

Zhang, You-ming ^{[1
,2
]}

Wei, Tai-bao ^{[1
,2
]}

机构：

[1] Minist Educ, Key Lab Ecoenvironm Related Polymer Mat, Lanzhou 730070, Gansu, Peoples R China

[2] Northwest Normal Univ, Coll Chem & Chem Engn, Gansu Key Lab Polymer Mat, Lanzhou 730070, Gansu, Peoples R China

[3] Lanzhou Resources & Environm Voc Tech Coll, Dept Met Engn, Lanzhou 730021, Gansu, Peoples R China

来源：

TETRAHEDRON | 2015年 / 71卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Resonance-assisted hydrogen bond; Cyanide; calorimetric; Fluorometric; High selectivity; Test strip; RATIONAL DESIGN; ION; SENSOR; GAS; CHROMATOGRAPHY; ANIONS; PROBES;

D O I：

10.1016/j.tet.2014.12.047

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A chemosensor (CS) was designed and synthesized by simple method. Dual-channel instant detection of CN- was achieved under acidic conditions. It showed an immediate visible color change from yellow to colorless and blue fluorescence appearance when CN- was added. Calorimetric and fluorometric methods showed the detection limits of CN- were 3.9x10(-8) and 3.1x 10(-9) M, respectively. The mechanism of chemosensor reactions with CN- ion was examined using H-1 NMR spectroscopy, FTIR spectroscopy, and DFT calculations. Test strips, which served as convenient and efficient CN- test kits, were fabricated based on the sensor. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：857 / 862

页数：6

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